Martin Thomas McMahon | |
|---|---|
.jpg) Martin Thomas McMahon | |
| Born | March 21, 1838 La Prairie, Lower Canada |
| Died | April 21, 1906 (aged 68) New York City, New York |
| Place of burial | |
| Allegiance | United States of America Union |
| Service | United States Army Union Army |
| Years of service | 1861–1866 |
| Rank |  Lieutenant Colonel Brevet Major General |
| Unit |  U.S. Volunteers Army of the Potomac |
| Battles / wars | American Civil War |
| Awards |  Medal of Honor |
Martin Thomas McMahon (March 21, 1838 – April 21, 1906) was an American jurist and a Union Army officer during the American Civil War. He was awarded the United States military's highest decoration, the Medal of Honor, for his actions at the Battle of White Oak Swamp. After the war, he held various legal and judicial positions in the state of New York. He briefly served as the Minister Resident to Paraguay and was a New York State Senator for four years.